275468720

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{8179}}^1$

素因数の和:8613

約数の個数: 40

約数和(自身を含む): 642064560

約数和(自身を除く): 366595840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 6736, 8179, 8420, 16358, 16840, 32716, 33680, 40895, 65432, 81790, 130864, 163580, 327160, 654320, 3443359, 6886718, 13773436, 17216795, 27546872, 34433590, 55093744, 68867180, 137734360, 275468720]

約数ペア:

[(1, 275468720), (2, 137734360), (4, 68867180), (5, 55093744), (8, 34433590), (10, 27546872), (16, 17216795), (20, 13773436), (40, 6886718), (80, 3443359), (421, 654320), (842, 327160), (1684, 163580), (2105, 130864), (3368, 81790), (4210, 65432), (6736, 40895), (8179, 33680), (8420, 32716), (16358, 16840)]